Finding the Fourth Proportional to 9,504.84, 13,116.68 and 5,728.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,504.84 : 13,116.68 = 5,728.07 : x
2. Step 2: Convert to fraction form
   9,504.84/13,116.68 = 5,728.07/x
3. Step 3: Cross multiply
   9,504.84x = 13,116.68 × 5,728.07
4. Step 4: Simplify right side
   9,504.84x = 75,133,245.28
5. Step 5: Solve for x
   x = 75,133,245.28/9,504.84
6. Step 6: Final answer
   x = 7,904.73